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<h1>HTMLArea-3.0 Documentation</h1>

<div class="abstract" style="color: red; font-weight: bold">

      This documentation contains valid information, but is outdated in the
      terms that it does not covers all the features of HTMLArea.  A new
      documentation project will be started, based on LaTeX.

</div>


<h2>Introduction</h2>

<h3>What is HTMLArea?</h3>

<p>HTMLArea is a free <acronym title="What You See Is What You Get"
>WYSIWYG</acronym> editor replacement for <code>&lt;textarea&gt;</code>
fields.  By adding a few simple lines of JavaScript code to your web page
you can replace a regular textarea with a rich text editor that lets your
users do the following:</p>

<ul>
  <li>Format text to be bold, italicized, or underlined.</li>
  <li>Change the face, size, style and color.</li>
  <li>Left, center, or right-justify paragraphs.</li>
  <li>Make bulleted or numbered lists.</li>
  <li>Indent or un-indent paragraphs.</li>
  <li>Insert a horizontal line.</li>
  <li>Insert hyperlinks and images.</li>
  <li>View the raw HTML source of what they're editing.</li>
  <li>and much more...</li>
</ul>

<p>Some of the interesting features of HTMLArea that set's it apart from
other web based WYSIWYG editors are as follows:</p>

<ul>
  <li>It's lightweight, fast loading and can transform a regular textarea
  into a rich-text editor with a single line of JavaScript.</li>
  <li>Generates clean, valid HTML.</li>
  <li>It degrades gracefully to older or non-supported browsers
  (they get the original textarea field).</li>
  <li>It's free and can be incorporated into any free or commercial
  program.</li>
  <li>It works with any server-side languages (ASP, PHP, Perl, Java,
  etc).</li>
  <li>It's written in JavaScript and can be easily viewed, modified or
  extended.</li>
  <li>It remembers entered content when a user navigates away and then hits
  "back" in their browser.</li>
  <li>Since it replaces existing textareas it doesn't require a lot of code
  to add it to your pages (just one line).</li>
  <li>Did we mention it was free? ;-)</li>
</ul>

<h3>Is it really free?  What's the catch?</h3>

<p>Yes! It's really free. You can use it, modify it, distribute it with your
software, or do just about anything you like with it.</p>

<h3>What are the browser requirements?</h3>

<p>HTMLArea requires <span class="browser"><a
href="http://www.microsoft.com/ie">Internet Explorer</a> &gt;= 5.5</span>
(Windows only), or <span class="browser"><a
href="http://mozilla.org">Mozilla</a> &gt;= 1.3-Beta</span> on any platform.
Any browser based on <a href="http://mozilla.org/newlayout">Gecko</a> will
also work, provided that Gecko version is at least the one included in
Mozilla-1.3-Beta (for example, <a
href="http://galeon.sf.net">Galeon-1.2.8</a>).  However, it degrades
gracefully to other browsers. They will get a regular textarea field
instead of a WYSIWYG editor.</p>

<h3>Can I see an example of what it looks like?</h3>

<p>Just make sure you're using one of the browsers mentioned above and see
below.</p>

<form onsubmit="return false;">
<textarea id="TA" style="width: 100%; height: 15em;">
<p>Here is some sample text in textarea that's been transformed with <font
color="#0000CC"><b>HTMLArea</b></font>.<br />
You can make things <b>bold</b>, <i>italic</i>, <u>underline</u>.  You can change the
<font size="3">size</font> and <b><font color="#0000CC">c</font><font color="#00CC00">o</font><font color="#00CCCC">l</font><font color="#CC0000">o</font><font color="#CC00CC">r</font><font color="#CCCC00">s</font><font color="#CCCCCC">!</font></b>
And lots more...</p>

<p align="center"><font size="4" color="#ff0000"><b><u>Try HTMLArea
today!</u></b></font><br /></p>
</textarea>
</form>

<h3>Where can I find out more info, download the latest version and talk to
other HTMLArea users?</h3>

<p>You can find out more about HTMLArea and download the latest version on
the <a href="http://dynarch.com/htmlarea/">HTMLArea
homepage</a> and you can talk to other HTMLArea users and post any comments
or suggestions you have in the <a
href="http://www.interactivetools.com/iforum/Open_Source_C3/htmlArea_v3.0_-_Alpha_Release_F14/"
>HTMLArea forum</a>.</p>

<h2>Keyboard shortcuts</h2>

<p>The editor provides the following key combinations:</p>

<ul>
  <li>CTRL-A -- select all</li>
  <li>CTRL-B -- bold</li>
  <li>CTRL-I -- italic</li>
  <li>CTRL-U -- underline</li>
  <li>CTRL-S -- strikethrough</li>
  <li>CTRL-L -- justify left</li>
  <li>CTRL-E -- justify center</li>
  <li>CTRL-R -- justify right</li>
  <li>CTRL-J -- justify full</li>
  <li>CTRL-1 .. CTRL-6 -- headings (&lt;h1&gt; .. &lt;h6&gt;)</li>
  <li>CTRL-0 (zero) -- clean content pasted from Word</li>
</ul>

<h2>Installation</h2>

<h3>How do I add HTMLArea to my web page?</h3>

<p>It's easy.  First you need to upload HTMLArea files to your website.
Just follow these steps.</p>

<ol>
  <li>Download the latest version from the <a
  href="http://www.interactivetools.com/products/htmlarea/">htmlArea
  homepage</a>.</li>
  <li>Unzip the files onto your local computer (making sure to maintain the
  directory structure contained in the zip).</li>
  <li>Create a new folder on your website called /htmlarea/ (make sure it's
  NOT inside the cgi-bin).</li>
  <li>Transfer all the HTMLArea files from your local computer into the
  /htmlarea/ folder on your website.</li>
  <li>Open the example page /htmlarea/examples/core.html with your browser to make
  sure everything works.</li>
</ol>

<p>Once htmlArea is on your website all you need to do is add some
JavaScript to any pages that you want to add WYSIWYG editors to.  Here's how
to do that.</p>

<ol>

  <li>Define some global variables.  "_editor_url" has to be the absolute
  URL where HTMLArea resides within your
  website; as we discussed, this would be “/htmlarea/”.  "_editor_lang" must
  be the language code in which you want HTMLArea to appear.  This defaults
  to "en" (English); for a list of supported languages, please look into
  the "lang" subdirectory in the distribution.
  <pre class="code"
  ><span class="function-name">&lt;</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">&quot;text/javascript&quot;</span><span class="function-name">&gt;</span>
   _editor_url = <span class="string">&quot;/htmlarea/&quot;</span>;
   _editor_lang = <span class="string">&quot;en&quot;</span>;
<span class="function-name">&lt;</span><span class="html-tag">/script</span><span class="function-name">&gt;</span></pre>

  <li>Include the "htmlarea.js" script:
  <pre class="code"
  ><span class="function-name">&lt;</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">&quot;text/javascript&quot;</span> <span class="variable-name">src=</span><span class="string">&quot;/htmlarea/htmlarea.js&quot;</span><span class="function-name">&gt;</span><span class="paren-face-match">&lt;</span><span class="html-tag">/script</span><span class="paren-face-match">&gt;</span></pre>
  </li>

  <li><p>If you want to change all your &lt;textarea&gt;-s into
  HTMLArea-s then you can use the simplest way to create HTMLArea:</p>
  <pre class="code"
  ><span class="function-name">&lt;</span><span class="html-tag">script</span> <span class="variable-name">type=</span><span class="string">&quot;text/javascript&quot;</span> <span class="variable-name">defer=</span><span class="string">&quot;1&quot;</span><span class="function-name">&gt;</span>
    HTMLArea.replaceAll<span class="function-name">()</span>;
<span class="paren-face-match">&lt;</span><span class="html-tag">/script</span><span class="paren-face-match">&gt;</span></pre>
  <p><span class="note">Note:</span> you can also add the
  <code>HTMLArea.replaceAll()</code> code to the <code>onload</code>
  event handler for the <code>body</code> element, if you find it more appropriate.</p>

  <p>A different approach, if you have more than one textarea and only want
  to change one of them, is to use <code>HTMLArea.replace("id")</code> --
  pass the <code>id</code> of your textarea.  Do not use the
  <code>name</code> attribute anymore, it's not a standard solution!</p>

</ol>

<p>This section applies to HTMLArea-3.0 release candidate 1 or later; prior
to this version, one needed to include more files; however, now HTMLArea is
able to include other files too (such as stylesheet, language definition
file, etc.) so you only need to define the editor path and load
"htmlarea.js".  Nice, eh? ;-)</p>

<h3>I want to change the editor settings, how do I do that?</h3>

<p>While it's true that all you need is one line of JavaScript to create an
htmlArea WYSIWYG editor, you can also specify more config settings in the
code to control how the editor works and looks.  Here's an example of some of
the available settings:</p>

<pre class="code"
><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config(); <span class="comment">// create a new configuration object
</span>                                    <span class="comment">// having all the default values
</span>config.width = '<span class="string">90%</span>';
config.height = '<span class="string">200px</span>';

<span class="comment">// the following sets a style for the page body (black text on yellow page)
// and makes all paragraphs be bold by default
</span>config.pageStyle =
  '<span class="string">body { background-color: yellow; color: black; font-family: verdana,sans-serif } </span>' +
  '<span class="string">p { font-width: bold; } </span>';

<span class="comment">// the following replaces the textarea with the given id with a new
// HTMLArea object having the specified configuration
</span>HTMLArea.replace('<span class="string">id</span>', config);</pre>

<p><span class="warning">Important:</span> It's recommended that you add
custom features and configuration to a separate file.  This will ensure you
that when we release a new official version of HTMLArea you'll have less
trouble upgrading it.</p>

<h3>How do I customize the toolbar?</h3>

<p>Using the configuration object introduced above allows you to completely
control what the toolbar contains.  Following is an example of a one-line,
customized toolbar, much simpler than the default one:</p>

<pre class="code"
><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
config.toolbar = [
  ['<span class="string">fontname</span>', '<span class="string">space</span>',
   '<span class="string">fontsize</span>', '<span class="string">space</span>',
   '<span class="string">formatblock</span>', '<span class="string">space</span>',
   '<span class="string">bold</span>', '<span class="string">italic</span>', '<span class="string">underline</span>']
];
HTMLArea.replace('<span class="string">id</span>', config);</pre>

<p>The toolbar is an Array of Array objects.  Each array in the toolbar
defines a new line.  The default toolbar looks like this:</p>

<pre class="code"
>config.toolbar = [
[ &quot;<span class="string">fontname</span>&quot;, &quot;<span class="string">space</span>&quot;,
  &quot;<span class="string">fontsize</span>&quot;, &quot;<span class="string">space</span>&quot;,
  &quot;<span class="string">formatblock</span>&quot;, &quot;<span class="string">space</span>&quot;,
  &quot;<span class="string">bold</span>&quot;, &quot;<span class="string">italic</span>&quot;, &quot;<span class="string">underline</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">strikethrough</span>&quot;, &quot;<span class="string">subscript</span>&quot;, &quot;<span class="string">superscript</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">copy</span>&quot;, &quot;<span class="string">cut</span>&quot;, &quot;<span class="string">paste</span>&quot;, &quot;<span class="string">space</span>&quot;, &quot;<span class="string">undo</span>&quot;, &quot;<span class="string">redo</span>&quot; ],
		
[ &quot;<span class="string">justifyleft</span>&quot;, &quot;<span class="string">justifycenter</span>&quot;, &quot;<span class="string">justifyright</span>&quot;, &quot;<span class="string">justifyfull</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">insertorderedlist</span>&quot;, &quot;<span class="string">insertunorderedlist</span>&quot;, &quot;<span class="string">outdent</span>&quot;, &quot;<span class="string">indent</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">forecolor</span>&quot;, &quot;<span class="string">hilitecolor</span>&quot;, &quot;<span class="string">textindicator</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">inserthorizontalrule</span>&quot;, &quot;<span class="string">createlink</span>&quot;, &quot;<span class="string">insertimage</span>&quot;, &quot;<span class="string">inserttable</span>&quot;, &quot;<span class="string">htmlmode</span>&quot;, &quot;<span class="string">separator</span>&quot;,
  &quot;<span class="string">popupeditor</span>&quot;, &quot;<span class="string">separator</span>&quot;, &quot;<span class="string">showhelp</span>&quot;, &quot;<span class="string">about</span>&quot; ]
];</pre>

<p>Except three strings, all others in the examples above need to be defined
in the <code>config.btnList</code> object (detailed a bit later in this
document).  The three exceptions are: 'space', 'separator' and 'linebreak'.
These three have the following meaning, and need not be present in
<code>btnList</code>:</p>

<ul>
  <li>'space' -- Inserts a space of 5 pixels (the width is configurable by external
  <acronym title="Cascading Style Sheets">CSS</acronym>) at the current
  position in the toolbar.</li>
  <li>'separator' -- Inserts a small vertical separator, for visually grouping related
  buttons.</li>
  <li>'linebreak' -- Starts a new line in the toolbar.  Subsequent controls will be
  inserted on the new line.</li>
</ul>

<p><span class="warning">Important:</span> It's recommended that you add
custom features and configuration to a separate file.  This will ensure you
that when we release a new official version of HTMLArea you'll have less
trouble upgrading it.</p>

<h3>How do I create custom buttons?</h3>

<p>By design, the toolbar is easily extensible.  For adding a custom button
one needs to follow two steps.</p>

<h4 id="regbtn">1. Register the button in <code>config.btnList</code>.</h4>

<p>For each button in the toolbar, HTMLArea needs to know the following
information:</p>
<ul>
  <li>a name for it (we call it the ID of the button);</li>
  <li>the path to an image to be displayed in the toolbar;</li>
  <li>a tooltip for it;</li>
  <li>whether the button is enabled or not in text mode;</li>
  <li>what to do when the button is clicked;</li>
</ul>
<p>You need to provide all this information for registering a new button
too.  The button ID can be any string identifier and it's used when
defining the toolbar, as you saw above.  We recommend starting
it with "my-" so that it won't clash with the standard ID-s (those from
the default toolbar).</p>

<p class="note">Register button example #1</p>

<pre class="code"
><span class="comment">// get a default configuration
</span><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
<span class="comment">// register the new button using Config.registerButton.
// parameters:        button ID,   tooltip,          image,           textMode,
</span>config.registerButton(&quot;<span class="string">my-hilite</span>&quot;, &quot;<span class="string">Highlight text</span>&quot;, &quot;<span class="string">my-hilite.gif</span>&quot;, <span class="keyword">false</span>,
<span class="comment">// function that gets called when the button is clicked
</span>  <span class="keyword">function</span>(editor, id) {
    editor.surroundHTML('<span class="string">&lt;span class=&quot;hilite&quot;&gt;</span>', '<span class="string">&lt;/span&gt;</span>');
  }
);</pre>

<p>An alternate way of calling registerButton is exemplified above.  Though
the code might be a little bit larger, using this form makes your code more
maintainable.  It doesn't even needs comments as it's pretty clear.</p>

<p class="note">Register button example #2</p>

<pre class="code"
><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();
config.registerButton({
  id        : &quot;<span class="string">my-hilite</span>&quot;,
  tooltip   : &quot;<span class="string">Highlight text</span>&quot;,
  image     : &quot;<span class="string">my-hilite.gif</span>&quot;,
  textMode  : <span class="keyword">false</span>,
  action    : <span class="keyword">function</span>(editor, id) {
                editor.surroundHTML('<span class="string">&lt;span class=&quot;hilite&quot;&gt;</span>', '<span class="string">&lt;/span&gt;</span>');
              }
});</pre>

<p>You might notice that the "action" function receives two parameters:
<b>editor</b> and <b>id</b>.  In the examples above we only used the
<b>editor</b> parameter.  But it could be helpful for you to understand
both:</p>

<ul>
  <li><b>editor</b> is a reference to the HTMLArea object.  Since our entire
  code now has an <acronym title="Object Oriented Programming">OOP</acronym>-like
  design, you need to have a reference to
  the editor object in order to do things with it.  In previous versions of
  HTMLArea, in order to identify the object an ID was used -- the ID of the
  HTML element.  In this version ID-s are no longer necessary.</li>

  <li><b>id</b> is the button ID.  Wondering why is this useful?  Well, you
  could use the same handler function (presuming that it's not an anonymous
  function like in the examples above) for more buttons.  You can <a
  href="#btnex">see an example</a> a bit later in this document.</li>
</ul>

<h4>2. Inserting it into the toolbar</h4>

<p>At this step you need to specify where in the toolbar to insert the
button, or just create the whole toolbar again as you saw in the previous
section.  You use the button ID, as shown in the examples of customizing the
toolbar in the previous section.</p>

<p>For the sake of completion, following there are another examples.</p>

<p class="note">Append your button to the default toolbar</p>

<pre class="code"
>config.toolbar.push([ &quot;<span class="string">my-hilite</span>&quot; ]);</pre>

<p class="note">Customized toolbar</p>

<pre class="code"
>config.toolbar = [
  ['<span class="string">fontname</span>', '<span class="string">space</span>',
   '<span class="string">fontsize</span>', '<span class="string">space</span>',
   '<span class="string">formatblock</span>', '<span class="string">space</span>',
   '<span class="string">separator</span>', '<span class="string">my-hilite</span>', '<span class="string">separator</span>', '<span class="string">space</span>', <span class="comment">// here's your button
</span>   '<span class="string">bold</span>', '<span class="string">italic</span>', '<span class="string">underline</span>', '<span class="string">space</span>']
];</pre>

<p><span class="note">Note:</span> in the example above our new button is
between two vertical separators.  But this is by no means required.  You can
put it wherever you like.  Once registered in the btnList (<a
href="#regbtn">step 1</a>) your custom button behaves just like a default
button.</p>

<p><span class="warning">Important:</span> It's recommended that you add
custom features and configuration to a separate file.  This will ensure you
that when we release a new official version of HTMLArea you'll have less
trouble upgrading it.</p>

<h4 id="btnex">A complete example</h4>

<p>Please note that it is by no means necessary to include the following
code into the htmlarea.js file.  On the contrary, it might not work there.
The configuration system is designed such that you can always customize the
editor <em>from outside files</em>, thus keeping the htmlarea.js file
intact.  This will make it easy for you to upgrade your HTMLArea when we
release a new official version.  OK, I promise it's the last time I said
this. ;)</p>

<pre class="code"
><span class="comment">// All our custom buttons will call this function when clicked.
// We use the <b>buttonId</b> parameter to determine what button
// triggered the call.
</span><span class="keyword">function</span> <span class="function-name">clickHandler</span>(editor, buttonId) {
  <span class="keyword">switch</span> (buttonId) {
    <span class="keyword">case</span> &quot;<span class="string">my-toc</span>&quot;:
      editor.insertHTML(&quot;<span class="string">&lt;h1&gt;Table Of Contents&lt;/h1&gt;</span>&quot;);
      <span class="keyword">break</span>;
    <span class="keyword">case</span> &quot;<span class="string">my-date</span>&quot;:
      editor.insertHTML((<span class="keyword">new</span> Date()).toString());
      <span class="keyword">break</span>;
    <span class="keyword">case</span> &quot;<span class="string">my-bold</span>&quot;:
      editor.execCommand(&quot;<span class="string">bold</span>&quot;);
      editor.execCommand(&quot;<span class="string">italic</span>&quot;);
      <span class="keyword">break</span>;
    <span class="keyword">case</span> &quot;<span class="string">my-hilite</span>&quot;:
      editor.surroundHTML(&quot;<span class="string">&lt;span class=\&quot;hilite\&quot;&gt;</span>&quot;, &quot;<span class="string">&lt;/span&gt;</span>&quot;);
      <span class="keyword">break</span>;
  }
};

<span class="comment">// Create a new configuration object
</span><span class="keyword">var</span> <span class="variable-name">config</span> = <span class="keyword">new</span> HTMLArea.Config();

<span class="comment">// Register our custom buttons
</span>config.registerButton(&quot;<span class="string">my-toc</span>&quot;,  &quot;<span class="string">Insert TOC</span>&quot;, &quot;<span class="string">my-toc.gif</span>&quot;, <span class="keyword">false</span>, clickHandler);
config.registerButton(&quot;<span class="string">my-date</span>&quot;, &quot;<span class="string">Insert date/time</span>&quot;, &quot;<span class="string">my-date.gif</span>&quot;, <span class="keyword">false</span>, clickHandler);
config.registerButton(&quot;<span class="string">my-bold</span>&quot;, &quot;<span class="string">Toggle bold/italic</span>&quot;, &quot;<span class="string">my-bold.gif</span>&quot;, <span class="keyword">false</span>, clickHandler);
config.registerButton(&quot;<span class="string">my-hilite</span>&quot;, &quot;<span class="string">Hilite selection</span>&quot;, &quot;<span class="string">my-hilite.gif</span>&quot;, <span class="keyword">false</span>, clickHandler);

<span class="comment">// Append the buttons to the default toolbar
</span>config.toolbar.push([&quot;<span class="string">linebreak</span>&quot;, &quot;<span class="string">my-toc</span>&quot;, &quot;<span class="string">my-date</span>&quot;, &quot;<span class="string">my-bold</span>&quot;, &quot;<span class="string">my-hilite</span>&quot;]);

<span class="comment">// Replace an existing textarea with an HTMLArea object having the above config.
</span>HTMLArea.replace(&quot;<span class="string">textAreaID</span>&quot;, config);</pre>


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<address>&copy; <a href="http://interactivetools.com" title="Visit our website"
>InteractiveTools.com</a> 2002-2004.
<br />
© <a href="http://dynarch.com">dynarch.com</a> 2003-2004<br />
HTMLArea v3.0 developed by <a
href="http://dynarch.com/mishoo/">Mihai Bazon</a>.
<br />
Documentation written by Mihai Bazon.
</address>
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